Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Jacob G Groselak, DMD

Individual provider Dentist · NPI 1871136085

Jacob G Groselak, DMD is a Dentist in Lemont, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2019
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

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Practice location Address checks out

15531 E 127th St
Lemont, IL 60439-8555
Phone: (630) 257-6350
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 019.032102 (IL)

Record details

NPI number1871136085
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedOctober 21, 2019
Last updated in NPPESOctober 21, 2019

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